The London department store that parlayed the concept "The customer is always right" into the sound of "ka-ching" is front and center in "Secrets of Selfridges." 8 p.m. KOCE

"The Simpsons" says goodbye to a major character — but not Mrs. Krabappel, voiced by the dearly departed Marcia Wallace — in this new episode. 8 p.m. Fox

Contestants hitch a ride on the "Restaurant Express" with host Robert Irvine in this new culinary competition. 9 p.m. Food

The JFK assassination is also revisited on the premiere of the docu-series "America Declassified." 10 p.m. Travel

MONDAY

A plucky youngster who goes by the moniker "Steven Universe" is here to save the day in this new animated sci-fi/fantasy series. 8 p.m. Cartoon Network

"The Heat's" Melissa McCarthy is a big enough star that they really ought to rename her sitcom to "Molly & Mike." But nope, it's still "Mike & Molly" and it's back with new episodes. 9 p.m. CBS

Would you give up a kidney for cash or pay cash for a stranger's kidney? These are among the issues examined in the new exposé "Tales From the Organ Trade." 9 p.m. HBO

TUESDAY

Remember Coach (Damon Wayans Jr.)? He was only in the pilot, so probably not, but now he's back on a new "New Girl." 9 p.m. Fox

Jimi Hendrix, the greatest rock guitarist of all time, period, end of discussion, is seen and heard in rare concert footage on a new "American Masters." Now excuse him while he kisses the sky. 9 p.m. KOCE

Mindy (Mindy Kaling) has a run-in with a hunky skateboarder ("Justified's" Timothy Olyphant) — or rather, he runs into her — on "The Mindy Project." 9:30 p.m. Fox